APEM 4 Key Membrane Keypad

Self-adhesive matrix membrane keypads

• A unique feature of these keypads is the insertable polycarbonate sheet carrying standard printed legends on one side - the other side can be user marked (written, typed or transferred symbols) to provide complete legend customisation and the removal of any limitation on keypad orientation
• The legend for 4x4 and the 4x3 keypads, is formed by inserting two sheets, chosen from a set of 4 supplied with each keypad, into the two pockets of the keypad
• 4x1 keypad, requires one sheet (from the two supplied) to be inserted. Alternatively other suitable paper or polycarbonate legend sheets may be used
• After inserting the legends, the self-adhesive keypad can be affixed on to any suitable clean flat surface
• Flexible tail of the keypad may be terminated by means of a female connector to mate with PCB headers connectors e.g. see stock no 467-576
• Each keypad has a black polycarbonate top layer with silver embossing and printing
• Double-sided silver legend sheet has black legend printed on one side, with the other side blank
• Supplied with a datasheet
• Connection lead length 100 mm
• Contact material: Ag
• Actuator material: Polycarbonate
• Mechanical life: 10⁶ operations

Notes

Stock numbers 693-2391 and 693-2388 have fixed legends and offer no different format.